@misc{indiciae6e7e8208a160,
  title = {U.S. Geological Survey Standard Reference Sample Project: Performance Evaluation of Analytical Laboratories},
  author = {H. Keith Long and Richard L. Daddow and Jerry W. Farrar},
  year = {1998},
  doi = {10.3133/fs03198},
  url = {https://pubs.usgs.gov/publication/fs03198},
  note = {Source identifier: fs03198}
}